تصفح Biological & Environmental Sciences حسب النوع "Master Thesis"
السجلات المعروضة 21 -- 40 من 67
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EFFECT OF PHENOL AS A CONTAMINANT ON THE WILD PEARL OYSTER PINCTADA IMBRICATA RADIATA IN QATAR: ECOTOXICOLOGICAL APPROACH AND USE OF OYSTER SHELL STRUCTURE AS A POTENTIAL MITIGATION TOOL FOR PHENOLS REMOVAL FROM WATER
(06-2 , Master Thesis)Phenol removal is a vital environmental concern due to its toxicity and hazard effects. The current study investigates the removal of phenol by Pearl oyster Pinctada imbricata radiata for the first time in this region. The ... -
The Effect Of The Blockade On Governmental Health-Care Services In Qatar
(2018 , Master Thesis)Problem: A good portion of the budget dedicated to the health-care sector every year for laboratory and pharmacy services is spent on patient care, instruments and equipment, medication, software, facilities, and so on. ... -
THE EFFECT OF TREATED WASTE WATER (TWW) ON THE RHIZOSPHERE MICROBIOMES AND THEIR IMPACT ON ARUGULA
(2016 , Master Thesis)Qatar needs to achieve water and food security in an arid climate and maintain its fossil-fuel energy exporting status. Treated wastewater (TWW) can be an alternative source for vegetable crops irrigation in Qatar; however, ... -
EFFECTS OF ACTIVE PHYTOCHEMICALS OF PROSOPIS JULIFLORA AS ANTI-SPOILING AGENTS OF POSTHARVEST FRUITS
(2022 , Master Thesis)Global increase in food demand has made the fresh produce spoilage a worldwide concern. Adverse effects of commercial spoilage control agents on human health and on the environment are major public concern. In this study, ... -
Elemental Composition, Source Tracking, And Air Quality Assessment Of Pm2.5 And Pm10 Pollution In Qatar
(2018 , Master Thesis)Particulate matter (PM) pollution is one of the major environmental pollution issues severely affecting human health and air quality all over the world. Based on the recent World Health Organization (WHO) report, PM ... -
ENHANCING PRODUCED WATER QUALITY USING MODIFIED ACTIVATED CARBON
(2016 , Master Thesis)The formation produced water from natural gas production process in the North field offshore considered largest volume of waste water in Qatar, which could be considered a potential benefits source for the industry as well ... -
Grass Establishment, Weed Populations and Soil Microbial Succession in Turf Grass System as Influenced by Produced Water Irrigation
(2017 , Master Thesis)Agricultural water use is high in a world marred with water scarcity, thus necessitating alternative water resources such as wastewaters. This study attempted to use produced water (PW) to irrigate turf grass - Cynodon ... -
Hydrocarbon Degrading Candidate Bacteria Isolated From Qatar Polluted Soil and Molecular Identification of Key Enzymes Coding Genes
(2021 , Master Thesis)Sixteen bacterial strains were isolated form contaminated soils and identified as Bacillus subtilis, Bacillus circulans, Burkholderia cepacia, Pseudomonas aeruginosa, Micrococcus luteus, Raoultella ornithinolytica and ... -
Impact of Environmental and Anthropogenic Conditions on the Reproductive Cycle of the Pearl Oyster Pinctada Imbricata in Qatar
(2021 , Master Thesis)To master the aquaculture of pearl oysters Pinctada imbricada, one must master its reproductive cycle. We investigated it through histology, analysis of water physico chemistry and behavior recording on wild oysters sampled ... -
The impact of using produced water for plant irrigation and its effects on plants and soil characteristics
(2017 , Master Thesis)In this study, locally produced water was physically and chemically characterized. The results showed high concentration of total dissolved solids (TDS), chloride, sodium, boron ions and sodium adsorption ratio as 300, ... -
IMPACTS ASSESSMENT OF DESALINATION BRINE DISCHARGE ON THE MARINE MICROBIAL BIODIVERSITY: A METAGENOMIC APPROACH
(2022 , Master Thesis)Being a hotspot of desalination, the health of the marine ecosystem of the Arabian Gulf is facing a serious threat. Many studies are suggesting that desalination activities could potentially harm the marine life, however, ... -
Initial Assessment of Environmental Microbial Hazards in Doha Restaurants
(2017 , Master Thesis)This study was carried out to assess hygiene conditions, food handling practices, food safety knowledge of food service providers (FSPs), and the microbial quality of food served in different food service establishments ... -
INSIGHTS INTO THE NATURAL DEGRADATION RATE OF PLASTICS IN THE SEAWATER ENVIRONMENT AND THEIR DEGRADATION BY-PRODUCTS (PHTHALATES AND BISPHENOL A)
(2023 , Master Thesis)Most plastics end up in the oceans. Their chemical additives that leach out into the ocean can be detrimental to humans and animals. This study investigates the degradation-fragmentation of different plastic types for 140 ... -
An Integrated Approach to Benthic Habitat Classification of the North Eastern Qatar Marine Zone Using Remote Sensing, Geographic Information System, and in Situ Measurements
(2014 , Master Thesis)A key aspect in the conservation management of the coastal marine zone is mapping the benthic habitat, which is the focus of the work presented in this project. Multispectral Worldview-2 (WV2) satellite data acquired in ... -
INVESTIGATING THE MOLECULAR MECHANISMS UNDERLYING THE ANTI-CANCER ACTIVITIES OF DIOSMETIN IN COLORECTAL CANCER CELLS: AN IN VITRO STUDY
(06-2 , Master Thesis)Diosmetin, a bioflavonoid isolated from citrus fruits, has been reported to have cytotoxic effects against various types of cancer. Although Diosmetin is found to have cytotoxic effects in Colorectal Cancer (CRC) cells, ... -
Investigation and Biological Control of Toxigenic Fungi and Mycotoxins in Dairy Cattle Feed
(2020 , Master Thesis)Mycotoxins are secondary metabolites synthesized by mycotoxigenic fungi, contaminating human and animal food and feed. Aflatoxin B1 (AFB1) and ochratoxins (OTA) are frequently detected in animal feed products causing ... -
INVESTIGATION AND PRODUCTION OF BIOINSECTICIDES BASED ON NEWLY BACILLUS THURINGIENSIS STRAINS ISOLATED FROM QATAR FOR THE DEVELOPMENT OF A BIOLOGICAL AGRICULTURE AND SAFE FOOD PRODUCTION IN QATAR
(2024 , Master Thesis)Bacillus thuringiensis produces parasporal crystals responsible of their insecticidal activity against specific insect orders. Eight newly isolated Bt strains produce different parasporal crystal and have several genetic ... -
INVESTIGATION OF SPATIAL AND SEASONAL MICROBIOME DYNAMICS AND ASSOCIATED ANTIBACTERIAL ACTIVITY IN SCLERACTINIAN CORAL PLATYGYRA DAEDALEA IN THE ARABIAN GULF
(2022 , Master Thesis)Corals have critical interactions with their associated microbes, which play an integral part in maintaining coral health and stability. Environmental factors can influence the microbial community of the coral resulting ... -
INVESTIGATION OF SPATIOTEMPORAL VARIABILITY AND CONTAMINATION OF PLASTIC MARINE DEBRIS IN QATAR’S COASTAL WATERS
(2015 , Master Thesis)There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. Plastic debris dominates the marine litter globally and has been found in the most ... -
INVESTIGATION OF TEMPORAL VARIABILITY OF CORALS REVEALED BY ROV VIDEOS AT OIL PLATFORMS IN THE ARABIAN GULF
(2023 , Master Thesis)The study was conducted at AL-Shaheen oil field within the Arabian Gulf using remotely operated vehicle (ROV) footages in different oil platforms to investigate the impact of platform depth, age, and weight on coral relative ...